domestic · 4h 50m · 3,756 km
Los Angeles to Miami
3 airlines · 6 aircraft ranked
In business class, Delta's Delta One Suite (A350-900) edges out the field with a 8.3/10.In premium economy, American's Premium Economy (777-300ER) edges out the field with a 5.5/10.
Quick pick
Fly Delta. It has 4 more inches of legroom and a wider seat (22" vs 21").
If fares are comparable, this is the better cabin.
Fly American. It scores higher across seat comfort and amenities.
If fares are comparable, this is the better cabin.
Fly American. It scores higher across seat comfort and amenities.
If prices are similar, go with this one.
Fly Delta. It has a wider seat (21" vs 20").
If fares are comparable, this is the better cabin.
Select two airlines to compare head-to-head
Data verified June 2026
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Airlines on this route
Same corridor, nearby airports
Flying with family
- Seatback screens on American, American, Delta, Delta, United. American: bring your own device.
Route insights
- In business class, Delta's Delta One Suite (A350-900) edges out the field with a 8.3/10.
- In premium economy, American's Premium Economy (777-300ER) edges out the field with a 5.5/10.
- In economy, American's Main Cabin (777-300ER) edges out the field with a 5.1/10.
- In first class, Delta's Delta First Class (737-800) edges out the field with a 2.8/10.
Frequently asked
Which is better in first: American or Delta on LAX-MIA?
First Class (American Airlines, A321neo) and Delta First Class (Delta Air Lines, 737-800) score virtually the same in first: 2.5 vs 2.8/10. The biggest gap is entertainment — a 13.3" screen vs app_only — but neither carrier pulls ahead overall.
Which is better in economy: American or Delta on LAX-MIA?
Main Cabin (Delta Air Lines, 737-800) edges out Main Cabin (American Airlines, A321neo) in economy, scoring 4.1/10 vs 3.7. The deciding factor: a 10" screen vs app_only. American Airlines fights back on seat width and power.
Which is better in first: American or United on LAX-MIA?
First Class (American Airlines, A321neo) and United First (United Airlines, 737-900ER) score virtually the same in first: 2.5 vs 2.8/10. The biggest gap is entertainment — a 13" screen vs app_only — but neither carrier pulls ahead overall.
Which is better in economy: American or United on LAX-MIA?
Economy (United Airlines, 737-900ER) edges out Main Cabin (American Airlines, A321neo) in economy, scoring 4.2/10 vs 3.7. The deciding factor: a 10" screen vs app_only. American Airlines fights back on seat width.
Which is better in business: American or Delta on LAX-MIA?
Flagship Business (American Airlines, 777-300ER) and Delta One Suite (Delta Air Lines, A350-900) score virtually the same in business: 8.1 vs 8.3/10. The biggest gap is dining — dine on demand vs multi-course dining — but neither carrier pulls ahead overall.
Which is better in premium economy: American or Delta on LAX-MIA?
Premium Economy (American Airlines, 777-300ER) and Delta Premium Select (Delta Air Lines, A350-900) score virtually the same in premium economy: 5.5 vs 5.5/10. The biggest gap is seat type — recliner vs recliner — but neither carrier pulls ahead overall.
Which is better in first: Delta or United on LAX-MIA?
Delta First Class (Delta Air Lines, 737-800) and United First (United Airlines, 737-900ER) score virtually the same in first: 2.8 vs 2.8/10. The biggest gap is seat width — 21"-wide seats vs 20" — but neither carrier pulls ahead overall.
Which is better in economy: Delta or United on LAX-MIA?
Main Cabin (Delta Air Lines, 737-800) and Economy (United Airlines, 737-900ER) score virtually the same in economy: 4.1 vs 4.2/10. The biggest gap is power — AC + USB-C vs USB-A only — but neither carrier pulls ahead overall.
What are the best seats in American First Class on LAX-MIA?
Best: Row 1A and 1L are farthest from the galley and offer the most privacy. All seats have direct aisle access in the 1-1 layout. Avoid: Row 5 is closest to the business class cabin and may experience some noise from the galley area between cabins. Only 10 suites total on this narrowbody. The 1-1 configuration is unique for a single-aisle aircraft. Sliding doors on all suites. This fleet is being phased out as the A321XLR enters service.
What are the best seats in American Main Cabin on LAX-MIA?
Best: Rows 11-16 are designated Main Cabin Extra with 35 inches of pitch. Row 11 bulkhead has the most legroom. Exit row offers additional space. Avoid: Last row (22) has limited recline and is near the rear lavatory. Middle seats (B and E) are least desirable. Half of the economy cabin (36 seats) is Main Cabin Extra with additional pitch. Seatback IFE screens with live TV in all economy seats. Only 72 economy seats total, making this a very premium-heavy narrowbody configuration. Exit row seats on the A320/A321 family offer extra legroom but do not recline. The row immediately before the exit also has limited recline due to clearance requirements.
What are the best seats in American Flagship Business on LAX-MIA?
Best: 1A and 1L are Flagship Suite Preferred seats with extra storage, mattress pads, and lumbar pillows. Odd-row window seats (3A, 5A, 7A, 3L, 5L, 7L) sit closer to the window for better privacy. Center pairs (D-G) in rows 1-4 work well for couples. Avoid: Row 9 and 10 flank the mid-cabin galley — expect noise and crew traffic. Rows 13-14 are closest to the premium economy divider. Even-row window seats sit closer to the aisle with less privacy than odd rows. 70 Adient Ascent suites with sliding doors replaced the old Zodiac Cirrus and eliminated First Class entirely. Wireless charging and Bluetooth audio at every seat. Pitch dropped from 43 to 42 inches in the retrofit.
What are the best seats in American Premium Economy on LAX-MIA?
Best: Row 20 bulkhead seats offer the most legroom. Window pairs (A-B and H-J) are best for couples. Avoid: Center seats in the 4-abreast middle section (D-E-F-G) in the last row have limited recline and are close to the economy cabin. Expanded from 28 to 44 seats in the retrofit. Now features privacy wings on headrests. Premium economy cabin is 8-abreast, same as pre-retrofit.
What are the best seats in American Main Cabin on LAX-MIA?
Best: Main Cabin Extra rows (approximately rows 30-33) offer 34 inches of pitch. Exit row seats provide significantly more legroom. Avoid: Last 2-3 rows near rear lavatories and galley are noisy and have limited recline. Middle seats in the 4-abreast center block (D-E-F-G) are least desirable. Main Cabin Extra pitch reduced from 35 to 34 inches in the retrofit. 10-abreast seating is standard for 777 economy. Three fewer lavatories in this configuration versus the pre-retrofit layout.
What are the best seats in American Flagship Business on LAX-MIA?
Best: Row 1 bulkhead seats (1A, 1L) offer the most space and privacy. Solo travelers should pick window seats (A or L). Center pairs (D-G) work well for couples traveling together. Avoid: Row 8 seats are closest to the premium economy cabin and galley. Center seats in row 8 (8D, 8G) may experience more traffic noise. Reverse herringbone layout with direct aisle access from every seat. No privacy doors on this older product. The Super Diamond seat is comfortable but lacks the enclosed-suite feel of newer products. Panasonic eX2 AVOD IFE system.
What are the best seats in American Premium Economy on LAX-MIA?
Best: Row 9 bulkhead offers the most legroom. Window pairs (A-B and H-J) are best for couples. Avoid: Center seats in the 3-abreast middle section are least private. Row 11 may have limited recline near the economy partition. Small premium economy cabin with only 21 seats across 3 rows. Located directly behind business class for quick exit. Separate meal service from economy.
What are the best seats in American Main Cabin on LAX-MIA?
Best: Main Cabin Extra seats (rows 20-22) offer 34-35 inches of pitch. Rows 20-35 are forward of engine noise profile and clear of rear galley. Avoid: Last 3 rows near rear lavatories are noisy and have limited recline. Middle seats in the 3-abreast sections are least desirable on long-haul flights. 9-abreast economy seating on the 787-9 is tight. Window seats benefit from Dreamliner's larger windows and electronic dimming. USB-A ports and AC outlets at every seat.
What are the best seats in Delta Delta First Class on LAX-MIA?
Best: Row 1 bulkhead has the most legroom. 1A and 1D are window seats with the best privacy in a 2-2 layout. Avoid: Row 4 is closest to the Comfort+ cabin and forward galley. B and C seats are more exposed to aisle traffic. Post-retrofit 737-800 with the same Recaro CL4710 seats as the A321neo. 13.3-inch Panasonic eX1 HD seatback screens. Winged headrests for privacy. AC outlet and USB at every seat. Delta Sync free WiFi. Complimentary drinks, snacks, and plated meals on flights over 900 miles departing before 9pm.
What are the best seats in Delta Main Cabin on LAX-MIA?
Best: Comfort+ rows 10-15 (36 seats) offer 34-inch pitch with priority boarding and complimentary premium snacks and beer/wine/spirits. Row 10 bulkhead has the most legroom. Avoid: Last rows near rear lavatory. Middle seats (B, E) throughout. Row 33 does not recline. 36 Comfort+ seats in rows 10-15 with 34-inch pitch; 108 Main Cabin seats in rows 16-33 with 31-32 inches. Post-retrofit Recaro BL3530 slimline seats matching the A321neo. 10-inch Panasonic eX1 seatback screens. USB-A at every seat, AC outlets shared between seats. Delta Sync free WiFi.
What are the best seats in Delta Delta One Suite on LAX-MIA?
Best: Odd-numbered window seats (1A, 3A, 5A, 7A, 9A and right-side equivalents) are closer to the window and farther from the aisle for maximum privacy. Center pairs with the privacy divider lowered are excellent for couples. Row 1 has the most open space. Avoid: Even-numbered window seats are closer to the aisle with less separation from foot traffic. Rows 8-9 are nearest to the galley between business and premium select. 32 suites with sliding doors and do-not-disturb indicators. 18-inch seatback screens. 4 lavatories for business class, significantly better than the A330-900neo's 2 lavatories. The A350 is considered Delta's flagship long-haul aircraft. Dine-on-demand service on ultra-long-haul routes.
What are the best seats in Delta Delta Premium Select on LAX-MIA?
Best: Row 20 has the most legroom as the bulkhead row with extra separation from the galley. Window doublets (A-B and H-J) are ideal for couples. Row 20 is the clear top pick unless noise sensitivity is a concern. Avoid: Center seats in the 4-abreast middle section (D-E-F-G), especially E and F which have no aisle access. Row 25 may have limited recline near the economy partition. 48 seats across 6 rows in a 2-4-2 layout. Premium amenity kit, adjustable headrest with privacy wings, dedicated flight attendant, and enhanced meal service. The outside doublets avoid the middle-seat problem entirely.
What are the best seats in Delta Main Cabin on LAX-MIA?
Best: Delta Comfort+ rows (approximately 30-35, 36 seats) offer 34 inches of pitch with priority boarding and dedicated bins. Row 30 bulkhead has the most legroom. Avoid: Middle seats in any 3-abreast section on long-haul flights. Last 3 rows near rear galley and lavatories. Seat 55E is consistently rated poorly. 3-3-3 economy layout at 17.4-inch width is the A350's weakest point relative to competitors. 36 seats are Delta Comfort+ with 34-inch pitch. Remaining 190 Main Cabin seats have 31-32 inches of pitch. Complimentary meal service on all international flights. Seatback IFE and USB/AC power throughout. Delta Sync free Wi-Fi.
What are the best seats in United United First on LAX-MIA?
Best: Row 1 has the most legroom as a bulkhead. 1A and 1F offer the most privacy with the wall on one side. Row 2 is the sweet spot between legroom and storage (bulkhead rows lack under-seat storage). Avoid: Row 5 seats 5A/5B do not recline; 5E/5F have roughly half the recline of other First rows. This is the biggest seat trap on the 737-900ER. Signature Interior with Collins Aerospace Pinnacle seats, 13-inch HD seatback touchscreens with Bluetooth audio, USB-A and USB-C at every seat plus AC outlet. Complimentary meal service on flights over 800 miles; snack basket on shorter flights. ViaSat Ka-band WiFi free for MileagePlus members. Starlink awaiting FAA certification for 737-900ER, expected during 2026. Majority of fleet retrofitted to Signature Interior; some older aircraft remain.
What are the best seats in United Economy on LAX-MIA?
Best: Exit row 21 has 38.8 inches of pitch — more than First Class. The 2-seat side rows 20-21 are the best economy seats on the plane. Rows 7-14 are Economy Plus with 33-34-inch pitch. Avoid: Last row (row 33) has severely limited or no recline due to the rear lavatory wall. Rows 32-33 experience galley noise and lavatory traffic. Middle seats (B, E) in any row are the tightest at 30-inch pitch. Signature Interior with 10-inch HD seatback touchscreens and Bluetooth audio. USB-A and USB-C at every seat plus shared AC outlets. ViaSat Ka-band WiFi free for MileagePlus members. 42 Economy Plus seats in rows 7-14 have 33-34-inch pitch; 117 standard Economy seats have 30-inch pitch. Three sub-variants exist (39/42/45 Economy Plus seats); Version 2 with 42 E+ is most common (~84 of ~99 aircraft).